Name: Big Splash. Descripton:Big Splash Pool and Spa Service of Park City, Utah offers a full line of maintenance and sales services that take the work and worry out of spa ownership. Their highly trained and experienced staff has been serving residential and commercial customers throughout Summit County for more than 12 years. By raising the bar in customer service, Big Splash has grown into the most reliable pool and spa service company in Summit County. Extend the life of your hot tub or pool with scheduled weekly maintenance. Let Big Splash help in protecting your investment.